Figure 1. (A) Thidiazuron induced callus from stem explant, (B) Estimation of phenolic and flavonoid content in callus extract, (C) UV-Vis spectral analysis of ZnONPs, (D) Optical observation of biogenically synthesized ZnONPs using Isodon rugosus extract, (à) Thidiazuron induced callus extract, (bʹ) reaction mixture of callus derived ZnONPs, (ć) plant extract, (é) reaction mixture of plant derived ZnONPs. After completion of the reaction, presence of white precipitate indicates the synthesis of ZnONPs.
